8x+7y=11 and 7x+8y=4 the firnd the value of x+y
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Answered by
43
Step-by-step explanation:
equation- 1. 8x- 7y=11
" 2. 7x-8y=4
the line on graph
8x-7y=11 black line
7x-8y= red line
solutions """""(4,3)
x=4 and y=3
x+y=4+3=7
hence x+y is 7 answers.
Answered by
11
Step-by-step explanation:
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